ibm disk basic造句

"IBM Disk BASIC ( BASIC . COM ) " was included in the original IBM PC DOS and required 32 KB of RAM . Because it uses the 32 KB Cassette BASIC ROM, BASIC . COM did not run on even highly compatible PC clones such as the Compaq Portable.
When IBM was designing the IBM PC they followed the paradigm of existing home computers in wanting to have a built-in BASIC . They sourced this from Microsoft IBM Cassette BASIC but Microsoft also produced several other versions of BASIC for MS-DOS / PC DOS including IBM Disk BASIC ( BASIC D ), IBM BASICA ( BASIC A ), " shrink wrap " application development.
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